Odpowiedź:
1 They share their sweets.
Their doesn't share their sweets.
Do they share their sweets?
2 He pays by cash.
He doesn't pay by cash.
Does he pay by cash?
3 I closed the door.
I didn't close the door.
Did I close the door?
4 Tina painted a picture for us.
Tina didn't paint a picture for us.
Did Tina paint a picture for us?
5 nie wiem niestety, ale powodzenia !